Apparatus for manufacturing glass articles.



G. KUHLEWIND. APPARATUS FOR MANUFAGTURING GLASS ARTICLES.

APPLIOATION FILED AUG. 22, 1907.

900,940. Patented 0011.13,]908.

7 sHEETs-sHEtT 1.

4 G. KUHLEWI'NTM APPARATUS FOR MANUFACTURING GLASS ARTICLES.

APPLICATION FILED AUG. 22, 1907.

900,940, Patented 001;. 13, 1908.

- :m 7 SHEETS-SHEET 2-".-

Witnesses: [nvezalon j g g 11f G. KUHLEWIND. APPARATUS FOR MANUFACTURING GLASS ARTICLES.

APPLICATION FILED AUG. 22, 1907.

900,940. Patented Oct. 13,1908.

7 SHEETS-SHEET 3.

0. KUHL EWIND. APPARATUS FOR MANUPAUTURING GLASS ARTICLES.

AIPPLIGJ TION FILED AUG. 22, 1907.

Patented Oct. 13, 1908.

7 SHEETS-SHEET G. KUHLEWIND. APPARATUS FOR MANUFACTURING GLASS ARTICLES.

APPLICATION IILED AUG. 22, 1907.

Patented Oct. 13,1908.

7 SHEETS-SHEET 5.

I Wifne-sssQ I [nvnion I G. KUHLEWIND. APPARATUS FOR MANUFACTURING GLASS ARTICLES.

AIPLIOATION FILED 13116.22. 1907.

-' Patented Oct. 13, 1908. 7 SHEETS-EHIIBT 6.

. 0. KUHLEWIND. A-P-PARATUSTOR MANUFACTURING GLASS ARTICLES.

APPLIOATIONI'ILED .umzz, 1907. Patented Oct- 13, 1908' 7 SHEETS-SHEET 7.

- To all whom it may concern:

UNITED STATE oon'N'ntn-is KUHLEWIND, or PITTSBURG, PENNSYLVANIA, AssIGNoR or'nivn-nien'rns TO PAUL WUESTHOFF, OF PITTSBURG, PENNSYLVANIA.

APPARATUS FOR MANUFACTURING GLASS ARTICLES.

.Be it known thatl CGIHNELIUS KUH-LE- WIND, a citizen of the llnited l dt ates, residing.

at Pittsburg, in the county of Allegheny and State of Pennsylvania, have invented certainnew and useful Improvements in Apparatus for Manufacturing Glass Articles, of which the following is a specification, reference beinghad therein to the acco'm anying drawing.

My invention relates to improvements in apparatus for the manufacture of articles of g assware by pressing in molds, and. ithas for its objects to provide a machine wherein each.

one of a series of molds mounted on a rotating table, is brought intermittently into reg ister with the pressing mechanism anddischarging mechanism. I

The invention particularly relates to the means fonactuatnfg the working parts in such a manner that a proper pressure will be maintained upon theglass in the mold at all times and at varying positions ofithe mold 'and plu'nger,'with means for preventing excessivepre'ssure and allowing the plunger to re'cede against its ownactuatmg force,.due to liftingmovement oithe mold; to effectthe rotation ofthe' mold table at the'proper time;

L-tocontrol'andregulate the pressure of the working mechanism, and to various other features of improvement as shall be more K fully hereinafter described.

Referring to the drawings: Figure 1 is a view of the entire apparatus in side elevae tion, the plunger "and presserlplate being raisedand the mold lifting me'chanismbeing .lowered. Fig. .2 is a view in front elevation of Fig-1. Fi 3is a vertical sectional view on *the'lineIII III. of Fig'. 2; but illustrating over, the post of the table-rotatingmechanism. Fig. -7 is a plan view of'Fig'. 6-." 3 Fig.8-

is a detail, plan' view. of the .inech shifting the inter F -91 r ee ew Specification of Letters Patentz application filed August 22, 1907. $erial=No. 389,658.

Patented Oct. 13, ioos.

sectional view on the line X. X. of Fig. 2. Fi s. 11 and 12 are similar views on the line XI. andXIL-XII of Fig. 2 Fig. 13' is-a detail view in elevation of the table locking and unlocking mechanism controlled by the, o eration of the valve stem. Fig. I l is a p an view of, Fig. 13.

In the drawings, 2 represents the. main frame of the apparatusmounted upon the usual supporting wheels 3, provided with a stationarybase 4, upon which by intervening' rolling bearing balls 5, is mounted the rotatable. mold-carrying table 6, the base and table being provided with suitably ar-.

ranged annular grooves for the balls. 'The table v6 is provided'with a concentrically arranged series of molds 7, six in the present 'machine but which may be of any number,

which molds are carried in cavities 8 and are arranged for vertical movement in the operation of pressing, as shall be hereinafter described.

The present machine is designed to perform the operations of pressing and'rotating by means of the original e'nergy ofa fluid actuated piston: 9-.mounted for vertical movement'within a cylinder '10 located in the lower base-portion of the machine, and to utilize the energy of a spring'for rotating the [table at'the proper time, after the spring has been compressed by power exerted by said piston 9, and upon manipulation of the valve controlling the flow of energizing fluid to cylinderll).

. '11 is 'thevalve casing, from which by ipe i 12, fluid pressure communicates to and rom said cylinder, the construction of said valve not being necessarilyinclud'ed in the present invention, further than-to state that fluid pressure is. admitted-moths cylinder upon manipulation.ofaghandle 13 in the direction" of the'arrow '11, and. is released therefrom upon "reverse movementv of the lever, which is providedjfwith mechanism hereinafter describ'edffor effecting the lock ing and time.

unlockingof ftlie rotating" table atthe proper the centralgportio oiitheibase 4, inwhich it has a sliding. bear rig, fro.d,,14- being opera tlvely-conhected'withlower head 15 of a cyli d i 2161i r des: h n upp head? 17, s1 ieaiis e dins a n e extending up through AVAILAB" tionary guide posts 18, 18, at front and 19 at ed within/an upper stationary base 20 securedupon the centralup'per projecting portions 1) of the base 4 as shown in Fig. 3, ex tending upwardly, and arerigidly connected with and supported by upper head plate 21 having a forwardly extending bearing portion 22', through which reciprocates the plunger actuating mechanism. The said mechanism comprises a presser plate 23 'and its plunger ring 23 secured to the plate is adapted to be first'lowered onto the top of the mold 7 inthe usual way, and which is designed to be raised by the mold against a con stant pressure which increases in degree as the mold is raised, and which is accomplished by spring mechanism connectedwith the presser plate mechanism.

.The resser plate 23 is preferably located at the 'ower ends of reciprocating rods 24', 24, having sliding bearings in lugs 25, 25, of the plunger. head 26 of well known form, and at the-top having similarbearings in plate 22. Intermediate of the presser plate 23 and bearing plate 22 is located a vertically adjustable .frame 26 mounted between the cylinder heads 15, 17, and having like them, a vertical sliding engagement with posts 18 and 19 by means of bearing lugs 27. The frame 26 is vertically adjustable with relation to the cylinder by means of a temper screw 28 mounted in the heads 17 and 15 respectively, and having a threaded engagement with the front portion of the vertically adjustable frame 26 at 29, and provided with a turning head 30. By means of said temper screw 28 it will be seen that the frame 26 may be accurately adjusted vertically with relation to the cylinder 16, whereby to control the time of compression of the spring exerting the opposing pressure against the presser plate 23. Mounted in frame 26 at each side are spring-containing shells 31,. horizontally adjustable in bearings 32 of frame 26 by means of cross yoke-33 and a temper screw 34 engaging the yoke and bearing forwardly against the backwardly extending'bearing portion 35 of the frame. Said portion carries a vertically moving guide stud 36 having a bearing in head 17 and adapted to be secured therein by securing set screws 36 after the frame 26 is adjusted. Within the shells 31 are housed compression springs 37, through which pass rods 38 bearing by their heads or nuts thereon and suitable washers 39 against the outer ends of the springs, which in turn rest against the inner ends of the shells 31, as clearly shown in Fig. 9. Rods 38 extend forwardly through the shells and are connected at their ends by links 39 with a lever 40 secured at its upper end upon rock shaft COPY 41 resting in bearings 42 of the forwardly extending supplemental portion 43 of the vertically adjustable frame 26. Lever 40 is keyed to rock shaft 41 and is designed to impart pressing movement downwardlythrough rods 24 to presser plate 23 by means of levers 44 at each side, connected by links 45 with blocks 46 secured to rod 24.

47 is a cam, vertically adjustable by means of a temper screw having a controlling wheel. 48 and vertically adjustable thereby in supporting bearings 49 in front of head 20, with which cam engages a roller 50 in lower end of lever 40 when the mechanism is in its lowermost position as in. Fig. 1. In such position rods 38 are drawn forward, compressing springs 37, but raising rods 24 and the presser plate 23 above the inold, due to engagement of roller 50 by cam 4.7. The spring 37 however will act to lower the presser plate 23 and continuously press it against the mold when the roller 50 is raised free of the cam at the commencement of the pressing operation, by reason of the inwardly drawing spring action on lever 40, throwing 21 and connected by links 57, 58 with theupper end of the plunger rod 59, also'slidingly mounted in bearing portion 22 of head 21. 'Cylinder 16 is iilled with a suitable lluid adapted to be slowly forced from below piston 52 to the space above it and vice versa,

providing resistance against the pressure in 1 either direction. That is to say, as pressure is exerted upwardly in pressing, to force the fluid of the cylinder out of the lower cylinder cavity to the upper, and as pressure is exerted by the weight of the plunger, after the pressing operation, lifting piston 52, to force the fluid of the cylinder out of the upper cavity to the lower again,

In order to provide for a restricted llow ol' the fluid, I provide a by-pass port tit) at one side of the cylinder connecting its top and bottom, and a similar port 61 at the other side, through which. the iluid may circulate when forced upwardly through port 60 and dowmvardly through port 61. Each port. is closed by a valve 62 and 63 respectively seating against the pressure and opened thereby against resisting springs -(34 and ()5 respectively, but inoperative as to opening by fluid pressure in the opposite direction.

Spring 65 may be originally set at the desired tension to permit return flow of'the fluid to the lower cylinder chamberupon fall of cylinder l6 and its connected ports and thus drawing the plunger 51 upwardly from the mold, but spring 64 is preferably-graduf ated by meansofa cap 66,h.a'ving a screw engagement with the valve cover 67, as clearly shown in Fig. 5. ,By this'constru'ction, I proxvide' acushioning' resistance in the confined -fluidthrough whichthe pressure of the rod l 4 is"exierted upwardl to th {ingm'eehanism', andat thesame time a' resist'ance which Will he-overcomeby the uplift "oftheniold when e11 e plunger-has been projectedsuilicientlyinto t e rising'rn-old, This con'st'ruct'ion,'*in combination" with the inde exa et ly the degree desired, during the press- 3 ing- "operation, while"entirelyo'bviating the "ated'by pitman 70 and the lever-'mechanism." Main '1evers 71,] 71:1 am.

pendent sprmgr resistance for the-pressure plate; provides for aconst'ant'maint'enance of Y pressure downwardlyagainst the mold, in

er of excesspr'essure; I er'tically; movable mold '7 with its I ischarg'lingf stem 68 is designed'to be liftiitl'vertica y above its receiving cavity 8 in table 6 bya mold raising plunger 69 actu' compound lifting givotally connected to piston rod 14 or a lock it thereon at 72 and fulcrumed at "the.

lower end of link "73 depending downwardly below'the table 4, and engage'the supplemenconnected to lower end oflink at 7-7, 'as- 'clearly shown'inFig.3.:-

tal lever 74" at 7 5, s'aid lever being fulcrumed at -76 above head of cylinder 10 and pivotally At theother side the ware-discharging ste 'r" r;68"is lifted to discharge the ware by similar mechanism, consisting of main lever 78 pivotally connected with the piston rod 'at79,'fulcruined in .the'lower end of'depe nda ing link 80, pivota'll'y engaging supple-mental flevers 81, 81' at 82, which levers in turn are fulcrumed' at 83 and pivotally' connected at 84' to a link'85which actu ates the lifting head 26 for raising the ware-discharging stem 68 of the mold-as shown at the left side of Fig. 3.

' each "lifting motion'bf rod 14 l 50' forward to rotate the table i The rotation of the table" is accomplished through'the' intermittent rotation of a .later-.

' ally's'wlnging arm 87 journaled at 88 around the central u'pwardly extending portion 5 of base 4',"sa-id arm being'thrus-t backwardly at to engage a pin 89 jofthe rotating table 6,; and being drawn ;tance, -(upon"the'table being released) by meanso-fqthe-stored engery of a-spring which -.:signed to rotate upon] the release of locking i mechanism directly actuated by the return is compressed at each liftmgoperation of rod 14L Thetable 'f t he" machine. is also deof-"the vaiivele'ver'-- 13 to normal position.

The table 6', 'which-isdesigned to rotate inter- 'r'nittently' inthe'dir'ection of the-arrow, Fig. cg equal toiitle space between the f meld's', s provided-withacorresponding se- 'i ie'sfof peripheralsookets' orshoul'ders-9j0 Into which engage the upwardly extendingend 91 aigverea pivetelly i fmfirited "at upon 7 e plungeractuat- 'ope'ratively,

- 81 and provided. with an upwardly the desired dis- I to actuate levers 108 and rod 102 and compressing. the spring, and at 120 an extension 4sof base *4, normally held Wardly in locking positiongas in Figs. 11 and 14 by spring 94 and provided with a supplementalextension 95, Said extension is designed to be engaged by apin 96 on the inner 7 end of valve lever 13, in one direction (when fluid pressure is s'upplied'to cylinder 10) in and operatively in the other direction (when fluid escapes from the cylinder) and to actuate the locking lever'92 to reroi'n. the cylinlease when release is effected der. For such purpose lever 95 is retracted by a spring 97 connected to arm 97 of lever 92 and bears'by its opposite end'9-8 against so that when valve lever 0 a pin- 99oflever 9,2, 13 is thrown around in the direction'of the arrow to admit pressure, the pin '96 will merely ride past end of lever 95which will then spring back to normal position. VVhenv however, the lever 13 is. reversed, pin 96 will 35 engage the other side of lever 95, throwin end 98 outwardly against pin 99 and lifting terminal 91 momentarily backwardly from the socket 90, whereupon the table will be free to rotate under the. effect of springacturated .arm 87. To actuate said arm, I provide a spring 100 bearing backwardly against abutment 101. 'and surrounding stern 102, which stem reciprocates. at each movement of the machine and compresses the spring by a flange 103, the rod 102' extending forwardly. through sliding'bearing 104.

105 is a lever pivoted at 106 underneath the base 4 and pivotally engaging rod 102 at '107, While a similar lever 108 is pivoted at 100.

108, while the tilting block is also provided with a trigger 113 pivoted at 114, having one '110 end held down against a stop 115 by spring 116. The other end 117 of the trigger is 10- cated in the upward path of a roller 118 mounted on block a of piston rod 14 whereby tilted over when the 115 the'block 111 will be roller rises, but the trigger will trip down inoperatively when the roller falls. The operation of tripping the block 111 is 105, throwing back the same timethrowing arm 87 around to engage the next pin 89 of the table. This throwing and engagement is done by a finger 119 pivoted at 120 and retracted by spring 121 against abutment-122,.\Where'bythe fin- 125 ger may freely slip backwardlypast'the pin 89 but will engage it on forward travel. Arm 8-7 is actuated from rod 102 backwardly to the pin-engaging position (dotted lines 111 is a tilting block 105 Figs. Sand 11) simultaneously with the .otally connected at 130 to \arm 87. Therefore, as rod 102is thrown back by levers 108. and. 105 upon-piston rod 14 rising and actuatin g tilting block 111, the shifting arm 87 isthrownv around, engaging the next pin 89 'of the table, the actuating spring 100 is compressed, and when lever 13'is turned to re- ;lease fluid from c linder 10, pin 91 unlocks the table, allowing spring 100 to exert its pressure and to automaticallyrotate it to the 'next position, where .it is automatically locked by the next shouldersoeket 90 becoming engaged.

It will thus be 'seen'that'every movement is completely automatic and is effected, for one complete operation, by the mere operation of the valve stem by lever 13.

A feature, of importance is thatthe initial movement of the mold'raising and lungcr actuating mechanism is comparatively slow, and is accomplished by recessing the lower head of cyl nder 10 as at 131 and providing the iston with ,a supplemental- 'piston extension 132 fitting therein, and of comparatively small diameter. By this construcpiston-extension 132-, lifting the piston very slowly until the extension-emerges from the diminutive-cylinder, 13 1, whereupon the full area of piston 9' will receive the pressure and will accomplish its further travel and the subsequent operations at greater speed and with corresponding pressure.

The operation will be understood from the foregoing. description. It will be seen that all of the movements of the machine are automatic and controlled by the manipulation of the valve lever 13, and that the various operationsareinterdependent and consecutive. The pressing of the ware is rendered very accurate and regular, resulting in great uniformity and accuracy of output.

-What I claim is: i

1. in a glass press,- the combination of a vertically rising mold, a lowering plunger and actuating mechanism therefor, a-lowering spring plate, spring retracted lever 11'16Gll' anism operatively connected with the spring plate, and a stationary cam arranged to en-v gage aportion of said lever mechanism, substantially'as set forth- 2. In a glass press, the combination of a vertically risin mold, a lowering plunger and actuating inec anism therefor with interposed circulating fluid resistance, and a lowering spring plate provided with in dependent actuating mechanism embodying resisting mechanism,

In a glass press, the combination of a vertically rising mold,-a lowering plungerand actuating mechanism therefor embodying-a circulating lhiid providing resisting means, and a lowering spring plate provided with independent actuating mechanism embody ing resisting mechanism.

4. The combination with a base and a r0- tating mold table provided with a series of molds, of means for lifting the molds singly, aiphinger and actuating means therefor cinbodyinga circulating fluid providing yielding resistance, a presser plate and independent 'actuating .means therefor embodying yielding resistance, and a-motor for actuating said means.- g

5. The. combination with a base and a rotating mold table provided with a series of molds, of means for lifting the molds'singly, a plunger and actuating means therefor embodying yielding circulating fluidresistancc, I

a presser plate and independent actuating means therefor embodying yielding resist ance, means for discharging the ware, and a motor for actuating said means.

6. The combination with a base and a rotating mold table provided with a series of molds, of means for lifting the molds singly, a pli' ingerand actuating means therefor cmbodying a circulating fluid rovidiiig yicldin g resistance, means for. rotating the table, and

a motor for actuating said means. tion', the fluid pressure is first exerted under v 7. In a glass press, the combination with a mold, of plunger mechanism, a'vertically movable rod and a motor therefor, a relatively movable rod in alinement with said rod, an interposed cylinder and piston, and

'lever'mechanism connecting the relatively movable rod with the plunger mechanism.

8. In a glass press, the combination with a mold, of plunger mechanism, a vertically movable rod and a motor therefor, a relatively movable rod in alinement ith said rod, an interposed cylinder and plunger, valve-controlled ports providing for restricte'd fluid circulation in said cylinder, and lover mechanism connecting the relatively inov-' able rod with the plunger mechanism.

9. In combination with the lower and upper actuating rods of the plunger mechan- .ism, means for providing yielding resistance between said rods consisting of a cylinder connected with one of said rods, a plunger head connected with the other rodand operable in said cylinder, and valve-controlled by-pass .orts connecting the opposite ends of the cy inder. r A

10. In combination with the lower and uper actuating rods of the between said rods consisting of a cylinder connected withone of said rods, a plunger head connected with the other rod and operable in said cylinder, and valve-controlled by-pass ports connecting, the opposite ends lunger inechansm, means for providing yielding resistance of the cylinder, with springs opposing said valves.

1 11. combination with the lower and upconsisting of a cylinder connected with one of said rods, a plunger head connected, with the other rod and operable in said cylinder, a valve-controlled by-pass, port connecting the opposite ends of the cylinder, and an adjus'ta e-pressure spring opposing said valve.

12.- In a glass pressprovlded with a rotating table and a fluid-actuated plunger-operating'motor, and locking mechanism for the table; the combination with the motor-and locking mechanism, of a controlling valve having an element adapted'to actuate the locking mechanism. I

13. In a glass ress provided with a rotating, table and a uid-actuated plunger-operating motor, and lockingmechanism for the table; the combination with; the motor and locking mechanism, of a controlling valve having an element adapted to actuate the locking mechanism,and means for rotating the table.

14. Means for rotating the table consisting of a swinging arm arranged to engage'the ta-.-

ble, a spring, means for compressing the spring, and means whereby the expansion of t espring actuates the swinging arm.

15. Locking and unlocking mechanism for the table consisting of a spring-controlled locking arm provided with a supplemental spring-contro ed arm operable in one direction, and a device adapted to inoperatively engage the supplemental arm in one direction and operatively in the other.

16. Looking and unlocking mechanism for the table consisting of a spring-controlled locking arm rovided with a supplemental spring-contro led arm 0 erable in one direction, and a valve-contro ling lever having an abutment adapted to engage the supplemental arm.

l7 The combination with the presser plate and its rods, of lever mechanism therefor, spring devices exerting pressure thereon, and a camarranged to engage the lever mechanism.

18. The combination with the presser late spring, a spring housing and means for locating it, a rod engaging the spring 'andconnected to the lever mechanism, and a cam arranged to engage the lever mechanism.

19. The combination with ,the presser late, and its rods, of lever mechanism thereor, spring devices exerting pressure thereon, and -a cam arranged to engage the lever mech'anism,-with means for adjusting the cam.

In testimony whereof I affix my signature in presence of two witnesses.

' CORNELIUS KUHLEWIND. Witnesses:

C. M. CLARKE, CHAS. S. LEPLEY. 

